How to remove underline from links in Squarespace 7.1
** UPDATED March 2023 **
In Squarespace 7.1, the underline in links are not from a border, outline, or text-decoration like most underlines in CSS, but they are created using a background image. So removing them is not that straight forward.
Complexity: Easy
A useful tool you can use to identify the #collection-id, #block-id and section[data-section-id="5f561a6cfab9b365a25a1e21"] is a Chrome Extension called Squarespace ID Finder (https://chrome.google.com/webstore/detail/squarespace-id-finder/igjamfnifnkmecjidfbdipieoaeghcff) which I fully recommend.
All Links
Links in the Header
Links in the Footer
Links on a Specific Page
Links in a Specific Section
Links in a Specific Block